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Congenital pseudoaneurysm of the mitral–aortic intervalvular fibrosa: a case report

  • Jamie K. Harrington (a1), Julie Glickstein (a1) and Amee Shah (a1)

Abstract

The mitral–aortic intervalvular fibrosa is an area of fibrous continuity between the mitral and aortic valves. We present the first case of a congenital pseudoaneurysm in this region, detected prenatally as an isolated cardiac defect, which was followed-up conservatively postnatally. The diagnosis was confirmed by echocardiogram demonstrating blood flow into the pouch during systole and into the left ventricular outflow tract during diastole. The infant has been followed-up with serial echocardiograms demonstrating stable size and appearance of the lesion, without signs of obstruction, making close continued observation a reasonable approach.

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Corresponding author

Correspondence to: A. Shah, MD, Department of Pediatrics, Division of Pediatric Cardiology, College of Physicians & Surgeons, Columbia University, 3959 Broadway, CHN 2-255, New York, NY 10032, United States of America. Tel: +1 212 342 1560; Fax: +1 212 342 5721; E-mail: ams79@cumc.columbia.edu

References

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1. Şahan, E, Gül, M, Şahan, S, et al. Pseudoaneurysm of the mitral-aortic intervalvular fibrosa. A new comprehensive review. Herz 2015; 40 (Suppl 2): 182189.
2. Sudhakar, S, Sewani, A, Agrawal, M, et al. Pseudoaneurysm of the mitral-aortic intervalvular fibrosa (MAIVF): a comprehensive review. J Am Soc Echocardiogr 2010; 23: 10091018; quiz 1112.
3. Xie, M, Li, Y, Cheng, TO, et al. Pseudoaneurysm of the mitral-aortic intervalvular fibrosa. Int J Cardiol 2013; 166: 27.
4. Gelehrter, S, Wright, G, Gless, T, et al. Left ventricular outflow tract pseudoaneurysms in congenital heart disease. Am J Cardiol 2002; 90: 806809.
5. Chesler, E, Mitha, AS, Edwards, JE. Congenital aneurysms adjacent to the anuli of the aortic and/or mitral valves. Chest 1982; 82: 334337.
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7. Tsai, I-C, Fu, Y-C, Lin, P-C, et al. MDCT evaluation of congenital mitral-aortic intervalvular fibrosa aneurysm: implications for the aetiology and differential diagnosis. Pediatr Radiol 2009; 39: 8083.
8. Zhao, S, Chen, X, Yang, X. Prenatal diagnosis of an aneurysm of the mitral-aortic intervalvular fibrosa. Echocardiography 2015; 32: 716719.

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Harrington supplementary material 1

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VIDEO
Supplementary materials

Harrington supplementary material
Harrington supplementary material 2

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Congenital pseudoaneurysm of the mitral–aortic intervalvular fibrosa: a case report

  • Jamie K. Harrington (a1), Julie Glickstein (a1) and Amee Shah (a1)

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